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WorksheetsEnergy: Potential and Kinetic
Total questions: 25
Worksheet time: 2hrs 5mins
____________ is the ability to do work or cause change.
Energy
Force
Friction
Motion
Gravitational potential energy depends on the ________ and ________ of the object.
Position (height) and mass
Friction and movement
Mass and Movement
Height and Friction
The Lay of Conservation of Energy states that energy cannot be ________ or ________, but it can change from one form to another.
created, destroyed
gravity, force
heat, created
What are the two factors that affect kinetic energy?
time and energy
power and mass
mass and speed
time and work
When a roller coaster is at the bottom of a hill it has ______.
high potential energy
high kinetic energy
low kinetic energy
equal amounts of kinetic and potential energy
When a roller coaster is at the top of a hill it has ___________.
high potential energy
high kinetic energy
low potential energy
equal amounts of kinetic and potential energy
The sum of potential energy and kinetic energy equals ________________.
work
transformation
total energy
mechanical energy
If all objects are moving at the exact same speed, which would have the greatest kinetic energy?
Tennis ball
Football
Notebook
Box of 20 textbooks
How much gravitational potential energy does a 100kg (220lb.) skydiver have if they jump from 4000 meters?
3920000 J
294 J
180000 J
1225 J
A 6kg cat misjudges a jump and falls 5 meters. How much gravitational potential energy does the cat have? (The cat is fine by the way.)
294 J
180000 J
1225 J
3920000 J
What is the kinetic energy of a 1,600kg Mustang travelling at 15 m/s (33mph)
180000 J
294 J
1225 J
3920000 J
A 50kg (100lb) person is running at 7m/s (about 16 mph). How much kinetic energy do they have?
1225 J
180000 J
294 J
3920000 J
What is the unit for mass?
kilogram (kg)
meter (m)
Newton (N)
Joule (J)
What is the unit for distance?
kilogram (kg)
meter (m)
Newton (N)
Joule (J)
What is the unit for energy?
kilogram (kg)
meter (m)
Newton (N)
Joule (J)
A exercise ball is on a table 2.5 m above the ground. What is the mass of the ball if it has a GPE of 56.8 J?
71 kg
22.72 kg
142 kg
2.32 kg
The acceleration of an object due to gravity on Earth is _______.
8.9 m/s2
9.8 m/s2
dependant on the mass of an object
equal to its kinetic energy
A crane lifts up a 10,000N beam to the top of a skyscraper. The beam has 500,000 J of GPE once it's there. How high off the ground is it?
510,000 m
5,000,000 m
50 m
500,000 J
A moving 10 kilogram object has 20 Joules of kinetic energy. What is its velocity?
2.0 m/s
4 m/s
200 m/s
10 m/s
What is the mass of a moving object that has 100 Joules of kinetic energy and moves at a velocity of 2.0 m/s?
50 kg
200 kg
25 kg
100 kg
